Home / 87,110,930.99-120,214,613.57-47,419,602.86

Finding the Fourth Proportional to 87,110,930.99, 120,214,613.57 and 47,419,602.86

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Solution

The fourth proportional to 87,110,930.99, 120,214,613.57 and 47,419,602.86 is: 65,439,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,110,930.99 : 120,214,613.57 = 47,419,602.86 : x
  2. Step 2: Convert to fraction form
    87,110,930.99/120,214,613.57 = 47,419,602.86/x
  3. Step 3: Cross multiply
    87,110,930.99x = 120,214,613.57 × 47,419,602.86
  4. Step 4: Simplify right side
    87,110,930.99x = 5,700,529,233,521,205
  5. Step 5: Solve for x
    x = 5,700,529,233,521,205/87,110,930.99
  6. Step 6: Final answer
    x = 65,439,884.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.